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三的因数有几个
更新时间： 2020-10-28 00:00:00  

三的因数有四个。<br>需要注意的是，唯有被除数，除数，商皆为整数，余数为零时，此关系才成立。过来说，我们称c为a、b的倍数。在研究因数和倍数时，小学数学不考虑0。<br>事实上因数一般定义在整数上：设A为整数，B为非零整数，若存在整数Q，使得A＝QB，则称B是A的因数，记作B｜A。但是也有的作者不要求B≠0。<br>

关键词： 因数

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